Sony PICTURE STATION DPP-FP90 Manuale di servizio - Pagina 20
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4-2-2. LCD CONTRAST ADJUSTMENT,
COLOR DISPLAY CHECK
LCD contrast can be adjusted and the color display can be check
using the service mode as follows:
Procedure:
1.
Start the service mode. (Refer to Section 4-1-1.)
2.
Select "LCD Calibrate" using the arrow buttons (f,F) and press
the [ENTER] button. Then, the contrast adjustment is enabled.
3.
When the following display appears on the LCD screen, match
color of the left half screen with that of the right half screen
using the arrow buttons (g, G). (The VCOM data should be
"03" to "3F".)
NG
When the arrow buttons (f, F) is pressed, color display can be
4.
confirmed in the following order:
White
Black
Gray (thick)
Gray (thin)
Blue
Green
Red
5.
When the [ENTER] button is pressed, the screen returns to the
service mode startup screen.
Note: The screen returns to the startup screen of the service mode
when the [CANCEL] button is pressed. However, the LCD
contrast adjustment data that is obtained by step 3 is not saved
if the [CANCEL] button is pressed.
6.
Quit the service mode. (Refer to Section 4-1-1.)
DPP-FP90
NG
OK
f
F
4-2-3. FIRMWARE WRITING AND VERSION
UPGRADE
Note: Download the latest firmware and obtain the technical memo from
the ESI homepage.
Writing of firmware:
Be sure to write the latest firmware after replacing the MAIN board.
Otherwise, the normal operation cannot be performed.
Version Upgrade:
Perform the version upgrade when the functional upgrade (firmware
version upgrade) is required.
[Procedure of firmware writing and version upgrade]
1.
Download the latest firmware (hereafter referred to as firmware)
from the ESI homepage.
2.
Copy the firmware (downloaded and uncompressed folder) to
the root directory of the memory stick.
(□:¥SONY¥DPPS¥□□□□□□.bin)
3.
Insert the memory stick into the memory stick slot of this unit.
4.
Insert one end of the power cord into the AC adapter (AC-
S2422) supplied with this unit and insert the other end of the
power cord into the receptacle.
5.
Insert the DC plug of the supplied AC adapter into the DC-IN
terminal of this unit.
6.
While pressing the [PRINT] button, press the [ON/STANDBY|
button.
7.
Release your finger from the button when the ACCESS LED
and the PRINT LED start flashing.
8.
After several minutes, check that the ACCESS LED and PRINT
LED change to stay lit.
(Completion of firmware writing or version upgrade)
9.
Press the PRINT button to turn off the power.
10. Remove the memory stick.
11. While pressing the [ENTER] and [CANCEL] buttons
simultaneously, press the [ON/STANDBY| button. (Service
mode starts.)
12. Release all buttons when the initial screen of the service mode
is displayed on the LCD display.
13. Check that the CHECKSUM value (hexadecimal value)
displayed on the screen is the same as the value of the firmware
version shown in ESI homepage.
14. Turn off the power and disconnect the power cord from the
receptacle.
[Check and adjustment upon completion of
version upgrade]
1.
While pressing the [ENTER] and [CANCEL] buttons
simultaneously, press the [ON/STANDBY| button. (Service
mode starts.)
2.
Release all buttons when the initial screen of the service mode
is displayed on the LCD display.
1) Check the CHECKSUM: value.
Check that the CHECKSUM value (hexadecimal value)
displayed on the screen is the same as the value of the
firmware version shown in ESI homepage.
2) Check that the destination is not changed. (Destination is
displayed by XX of "DPP-FP90 (XX)" on the topmost line
of the service mode screen.)
3) If destination is changed after version upgrade is completed,
execute both items of destination change (as shown in
[Procedure of destination change] below) and LCD contrast
adjustment (VCOM).
For the procedure of the LCD contrast adjustment (VCOM),
refer to Service Manual "SECTION 4-2-2. LCD contrast
Adjustment, Color display check".
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